Automation Systems & Solutions Interview Questions and Answers

Knurling is a process of creating a pattern of ridges on a cylindrical or flat surface to improve grip or aesthetics.

• Knurling is commonly used on tools, handles, and knobs to provide a better grip.

• It involves pressing a knurling tool against the surface to create a pattern of ridges or diamond-shaped impressions.

• Knurling can be done on various materials such as metal, plastic, or wood.

• The pattern created by knurling can vary in terms of pitch, diameter, and shape depending on...read more

First and Third Angle are two different methods of representing orthographic projections in engineering drawings.

• First Angle Projection is commonly used in Europe and Asia, while Third Angle Projection is commonly used in North America.

• In First Angle Projection, the object is placed in the first quadrant and the views are projected onto the planes surrounding the object.

• In Third Angle Projection, the object is placed in the third quadrant and the views are projected onto the ...read more

TORR stands for Torricelli, a unit of pressure equal to one millimeter of mercury.

• TORR is a unit of pressure used in various fields, including engineering and physics.

• It is named after Evangelista Torricelli, an Italian physicist and mathematician.

• 1 TORR is equal to the pressure exerted by a column of mercury 1 millimeter high in a vacuum.

• TORR is commonly used in vacuum measurements and is equivalent to approximately 133.3224 pascals.

• Other units of pressure include pascal, ba...read more

QA focuses on preventing defects, while QC focuses on identifying and fixing defects.

• QA stands for Quality Assurance and is a proactive process that focuses on preventing defects by establishing processes and standards.

• QC stands for Quality Control and is a reactive process that focuses on identifying and fixing defects through inspections and testing.

• QA involves activities like creating test plans, conducting reviews, and implementing quality standards.

• QC involves activities...read more

To draw 1st angle symbol, draw a square with a horizontal line on top and a vertical line on the right. To draw 3rd angle symbol, draw a square with a horizontal line on bottom and a vertical line on the left.

• 1st angle symbol is commonly used in Europe and Asia while 3rd angle symbol is commonly used in North America.

• The symbol indicates the orientation of the object in relation to the views shown on the drawing.

• 1st angle symbol is represented as a square with a horizontal li...read more